* {
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    height: 100vh;
    background-color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main {
    display: grid;
    grid-template-columns: 300px 300px 300px;
    grid-template-rows: 300px 300px 300px;
}

.main .block {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    cursor: pointer;
    border-radius: 20px;
}

.main .block i {
    font-size: 200px;
    color: #fff;
    transition: all .3s;
    text-shadow: 0 0 10px var(--c), 0 0 20px var(--c);
}

.main .block:hover i {
    transform: scale(0.7);
}

.main .block p {
    font-size: 50px;
    color: #fff;
    opacity: 0;
}

.main .block:hover p {
    opacity: 1;
}

#back {
    width: 300px;
    height: 300px;
    border-radius: 20px;
    background-color: transparent;
    position: absolute;
    z-index: -1;
    transition: .3s linear;
}

